3660544421605 has 16 divisors (see below), whose sum is σ = 4433066668800. Its totient is φ = 2901494675520.

The previous prime is 3660544421593. The next prime is 3660544421641. The reversal of 3660544421605 is 5061244450663.

It is not a de Polignac number, because 3660544421605 - 2⁷ = 3660544421477 is a prime.

It is a super-3 number, since 3×3660544421605³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32355226 + ... + 32468164.

It is an arithmetic number, because the mean of its divisors is an integer number (277066666800).

Almost surely, 2^{3660544421605} is an apocalyptic number.

It is an amenable number.

3660544421605 is a deficient number, since it is larger than the sum of its proper divisors (772522247195).

3660544421605 is a wasteful number, since it uses less digits than its factorization.

3660544421605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172524.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 3660544421605 in words is "three trillion, six hundred sixty billion, five hundred forty-four million, four hundred twenty-one thousand, six hundred five".